Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/9861#discussion_r45558720
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRDD.scala
---
@@ -489,6 +492,13 @@ private[sql] class JDBCRDD(
}
try {
if (null != conn) {
+ if (!conn.getAutoCommit && !conn.isClosed) {
+ try {
+ conn.commit()
+ } catch {
+ case e: Exception => logWarning("Exception committing
transaction", e)
--- End diff --
Nit: this will fail to close the connection now if a `Throwable` occurs
during commit.
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